Finding the Fourth Proportional to 505,307.44, 757,558.68 and 291,833.20
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Solution
The fourth proportional to 505,307.44, 757,558.68 and 291,833.20 is: 437,517.35
Step by Step Solution
- Step 1: Write the proportion equation
505,307.44 : 757,558.68 = 291,833.20 : x - Step 2: Convert to fraction form
505,307.44/757,558.68 = 291,833.20/x - Step 3: Cross multiply
505,307.44x = 757,558.68 × 291,833.20 - Step 4: Simplify right side
505,307.44x = 221,080,773,772.18 - Step 5: Solve for x
x = 221,080,773,772.18/505,307.44 - Step 6: Final answer
x = 437,517.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.